ICD Code R22.40

ICD code R22.40 is localized swelling, mass, and lump in an unspecified lower limb.

1. Presence of a localized swelling, mass, or lump in the lower limb

2. Swelling, mass, or lump is not attributable to a specific underlying diagnosis after evaluation

3. No evidence of trauma, infection, or neoplastic process as the primary cause

4. Physical examination confirms the finding but does not reveal a specific etiology

5. Symptoms may include visible or palpable lump, localized discomfort, or mild tenderness

6. Imaging or diagnostic tests are inconclusive or non-specific

7. The location is within the lower limb, but the exact anatomical site is not further specified

Relevant CPT codes that may be used to treat ICD code R22.40 include:

- 20610: Arthrocentesis, aspiration and/or injection; major joint or bursa (e.g., knee, shoulder, hip)

- 27301: Incision and drainage, deep abscess, bursa, or hematoma, thigh or knee region

- 27603: Incision and drainage, leg or ankle; deep abscess or hematoma

- 76882: Ultrasound, limited, nonvascular, extremity

- 11400–11406: Excision of benign lesion including margins, trunk, arms, or legs (depending on size)

- 10021: Fine needle aspiration; without imaging guidance

- 10022: Fine needle aspiration; with imaging guidance

CPT code selection should be based on the specific clinical scenario and procedure performed for ICD code R22.40.

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